keyword

gpp equation

Monthly search volume and cost-per-click data for "gpp equation" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=gpp+equation&country=us" +--------------+------------------+ | volume | 260 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
npp formula	480	$0	8/20
net primary productivity formula	480	$0	7/20
gross primary productivity formula	390	$0	9/20
npp equation	390	$0	9/20
gpp formula	390	$0	8/20
npp gpp	320	$0	6/20
gross primary productivity equation	260	$0	10/20
gpp and npp formula	70	$0	9/20
how to calculate gpp and npp	70	$0	7/20
how to calculate npp and gpp	70	$0	6/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=gpp+equation&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt